KR100973420B1 - Pallete aligning device - Google Patents

Pallete aligning device Download PDF

Info

Publication number
KR100973420B1
KR100973420B1 KR1020100053903A KR20100053903A KR100973420B1 KR 100973420 B1 KR100973420 B1 KR 100973420B1 KR 1020100053903 A KR1020100053903 A KR 1020100053903A KR 20100053903 A KR20100053903 A KR 20100053903A KR 100973420 B1 KR100973420 B1 KR 100973420B1
Authority
KR
South Korea
Prior art keywords
pallet
support
sprocket
bucket
main body
Prior art date
Application number
KR1020100053903A
Other languages
Korean (ko)
Inventor
이성주
Original Assignee
이성주
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이성주 filed Critical 이성주
Priority to KR1020100053903A priority Critical patent/KR100973420B1/en
Application granted granted Critical
Publication of KR100973420B1 publication Critical patent/KR100973420B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/32—Individual load-carriers
    • B65G17/36—Individual load-carriers having concave surfaces, e.g. buckets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0267—Pallets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/40—Safety features of loads, equipment or persons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • De-Stacking Of Articles (AREA)

Abstract

The present invention relates to a pallet aligning device, comprising a main body and a bucket portion;
The main body, the base portion in contact with the ground, the first and second support units are provided on both sides of the upper portion of the base portion, the drive means is provided on one side of the main body and the first sprocket is connected to the drive means, which will be described later A power transmission means comprising a second sprocket installed on the rotation support shaft and a chain connecting the first and second sprockets; The bucket part is a pallet side support having a lattice structure having a V-shape to be supported in contact with two adjacent edges of the stacked pallets, and are installed in a lozenge on the upper and lower sides of the pallet side support, and the upper and lower sides of the pallet. Grid upper and lower supports of the grid structure to prevent the separation, the rotary support shaft which is installed on both sides of the pallet side support and supported by the first and second support, the inner surface of the pallet side support in contact with the side of the stacked pallet And a sliding part which is slidably movable in the longitudinal direction of the pallet side supporter to quickly align the stacked pallets with a simple structure and a simple operation.

Description

Pallet Aligner {PALLETE ALIGNING DEVICE}

The present invention relates to a pallet aligning device, and more particularly, to a pallet aligning device for rotating and aligning the loaded pallet.

In general, pallets are cargo carriers made to move various loads by forklifts or load them according to specifications. The pallets are mainly made of wood, metal, and synthetic resin.

Such pallets are stored by stacking a plurality of them after use until the next use, and due to the lamination of a forklift or a person's hand, the alignment is uneven and there is a problem in transportation or the next use.

In order to align the pallets stacked in such an unaligned manner, there is a problem in that it takes a lot of time and raises labor costs because there is no proper equipment, so that a person needs to perform the sorting work by hand. When the height is high, there is a inconvenience in that the work must be performed using a ladder, etc. There were many problems in terms of working environment.

In addition, since a plurality of impurities or foreign substances attached and mixed during use of the pallet are present between the stacked pallets, there is a problem in that the impurities or foreign substances must be manually removed for the next use.

In order to solve the inconveniences and problems as described above, an object of the present invention is to provide a pallet aligning device that is made of a simple structure to facilitate the production, it is possible to quickly align the stacked pallets automatically distorted .

In addition, it is an object of the present invention to provide a pallet aligning device that is capable of easily removing impurities mixed between pallets at the same time as the stacked pallets.

It is also an object of the present invention to provide a pallet aligning device capable of aligning stacked pallets of various materials and sizes.

As a means for solving the above problems, the present invention;

Consists of the main body and the bucket portion;

The main body,

A base part in contact with the ground,

First and second supports installed vertically on both sides of the upper part of the base part,

Drive means installed on one side of the main body and

And a power transmission means comprising a first sprocket connected to the driving means, a second sprocket installed on a rotating support shaft to be described later, and a chain connecting the first and second sprockets. ;

The bucket part,

A pallet side support having a lattice structure having a V-shape so as to be supported by contact with two adjacent corners of the stacked pallets when the bucket part is rotated.

Pallet upper and lower supports of the grid structure to be coupled to the upper and lower portions of the pallet side support in a rhombus to prevent the separation of the pallet to the upper and lower sides,

Rotating support shafts provided on both sides of the pallet side support, supported by the first and second supports,

And a sliding part installed on the inner surface of the pallet side support to support the pallet in contact with the stacked side of the pallet and sliding in a longitudinal direction of the pallet side support.

And, the sliding portion,

Sliding plate that slides on both inner surfaces of the pallet side support,

A fixed body formed in a 'c' shape under the sliding plate to fix a plurality of fixed plates to prevent the sliding plate from being separated from the pallet side support;

Located between the sliding plate and the fixture, and comprises a pair of rollers fixed to the fixture,

Between the pair of rollers is configured such that the guide beam formed in the longitudinal direction of the pallet side support.

In addition, the present invention,

A projection part fixed to the rotation support shaft outside the second sprocket and having two projections having different lengths radially formed at 90 ° to each other,

An additional support for supporting a rotational support shaft outside the second sprocket at all times;

It is installed on the additional support, and further comprises a sensor unit consisting of a first sensor is installed on the left side around the rotary support shaft, the second sensor is installed on the right side and the third sensor is installed below the second sensor.

The present invention through the above problem solving means is made of a simple structure is easy to manufacture, there is an effect that can be quickly arranged to be stacked automatically stacked pallets.

In addition, the present invention has the effect that it is very easy to remove impurities incorporated between the pallets at the same time as the stacked pallets.

In addition, the present invention has the effect of aligning all of the stacked pallets of various materials and sizes.

1 is a perspective view showing a pallet alignment device according to the present invention.
2 is a perspective view showing a pallet aligning device according to the present invention from a direction different from that of FIG. 1.
3 is a perspective view showing a drive means and a power transmission means of the pallet alignment device according to the present invention.
Figure 4 is an exploded perspective view showing the disassembled pallet alignment apparatus according to the present invention.
5 is a view showing an operating method of the sliding portion of the pallet alignment device according to the present invention.
6 is an enlarged view of a sliding part of a pallet aligning device according to the present invention.
7 is a view showing the protrusion and the sensor portion of the pallet aligning apparatus according to the present invention.
8 is a view illustrating an operation process of the protrusion and the sensor portion of the pallet aligning device according to the present invention.
9 to 12 are views showing the operation of the pallet alignment device according to the present invention.

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are perspective views showing a pallet alignment device according to the present invention.

As shown in FIG. 1, the present invention includes a main body 100 and a bucket part 200.

First, the main body 100 will be described.

As shown in FIGS. 1 to 4, the main body 100 includes a base part 110, first and second support members 120 and 121, additional support members 123, auxiliary support members 122, and driving means 130. Power transmission means 140 and the cover 150 is provided.

First, the base portion 110 is a portion in contact with the ground, as shown in Figures 1 and 4, the shape may be used as a pentagon, but may be in a suitable form if necessary.

In addition, the first and second support members 120 and 121 are formed at both sides of the base part 110 to support the bucket part 200 so as to be rotatable, as shown in FIGS. 2 to 4. It is preferable to install the beam upright, but a beam having a cross section of another shape may be used.

In addition, the auxiliary support 122 is a part which is erected on one side of the first and second support members 120 and 121 to firmly support the first and second support members 120 and 121.

In addition, the additional support 123 is installed on the outside of the second support 121, between the additional support 123 and the second support 121 is a second sprocket 142 to be described later It is installed to be supported by the additional support 123 and the second support (121).

As shown in FIG. 2, the auxiliary support 122 and the additional support 123 are also preferably formed of an H-shaped beam, but are not limited thereto. A beam having a cross section of another shape may be used. Do.

In addition, as shown in FIG. 3, the driving means 130 forms a separate support means on one side of the main body near the auxiliary support 122 and the additional support 123 and is fixedly installed thereon. Preferably, the present invention is not limited thereto and may be installed on any portion of the main body 100.

An electric motor may be used as the driving means 130.

The power transmission means 140 is a means for rotating the bucket part 200 by receiving power from the driving means 130.

To this end, the power transmission means 140 is connected to the first sprocket 141 installed on the shaft of the motor that is the driving means 130, and to one side of the support shaft 240 of the bucket portion 200 to be described later The second sprocket 142 is installed, and the chain 143 connecting the first and second sprockets 141 and 142.

Through such a configuration, when the driving means 130 is driven to rotate the first sprocket 141, the second sprocket 142 connected to the chain 143 rotates together, and the second sprocket Rotation of the plaquette 142 eventually rotates the bucket part 200.

3 and 4, the cover 150 is a member covering the drive means 130 and the power transmission means 140, impurities such as dust from the outside to the power system It is to prevent infiltration and causing problems.

Hereinafter, the bucket part 200 is demonstrated.

As shown in FIGS. 2, 4, 5, and 6, the bucket part 200 is a member that can rotate in a state in which the pallets are stacked therein, and the pallet side support 210, the pallets, Lower support members 220 and 230, a rotation support shaft 240, and a sliding part 250 are provided.

First, the pallet side support 210 is a portion which allows the two adjacent sides of the pallets stacked in the bucket part 200 to contact each other when the bucket part 200 rotates, thereby substantially aligning the pallets. For this purpose, it is made of 'V' shape, and is formed in a lattice structure by crossing a plurality of beams.

The pallet upper and lower supports 220 and 230 are lozenges in the upper and lower ends of the pallet side support 210 when the bucket part 200 stands up, and the bucket part 200 is provided. When the stand or rotates serves to prevent the pallet is separated from the upper or lower portion of the pallet side support 210.

The pallet upper and lower supports 220 and 230 are formed in a lattice structure by crossing a plurality of beams similarly to the pallet side supports 210.

As such, the reason why the pallet side support 210 and the pallet upper and lower supports 220 and 230 are formed in a lattice structure is that impurities existing between the pallets stacked when the bucket part 200 is rotated easily fall out to the bottom. It is intended to be removed.

Next, the rotation support shaft 240 is an axis formed at both ends of the center in the longitudinal direction of the pallet side support 210, so as to be rotatable by the first and second supports 120 and 121 of the main body 100. It is supported, and the bucket part 200 is rotated about this axis.

In this case, in order for the rotation support shaft 240 to be rotatably supported as described above in the first and second supports 120 and 121, as shown in FIG. 4, the angles of the first and second support members 120 and 121 are shown. A conventional method of forming a groove on which the rotary support shaft 240 may be seated at an upper end thereof and seating the bearing on the groove while the bearing is coupled to the rotary support shaft 240 may be used.

Here, the rotation support shaft 240 of one side in the second support direction is installed to extend to the additional support 123 via the second support 121, the rotation support shaft of one side in the second support direction ( A second sprocket 142 is formed at a portion between the second support 121 and the additional support 123 of the 240.

Since the second sprocket 142 is integrally formed with the rotation support shaft 240, when the second sprocket 142 rotates, the bucket part 200 also rotates.

Lastly, as shown in FIGS. 2 and 6, the sliding part 250 includes a sliding plate 251, a roller 252, a fixing body 253, and a buffer part 254.

Two sliding plates 251 are installed on the inner surface of the pallet side support 210 to support two adjacent side surfaces of the pallet, respectively, and are formed to slide in the longitudinal direction.

2 and 6, the fixture 253 is mounted on the rear surface of the sliding plate 251 to prevent the sliding plate 251 from being separated from the guide beam 211. It is absent.

Here, the guide beam 211 is a beam that is installed in the longitudinal direction on the pallet side support 210 of the bucket portion 200, the side support (among the beams installed in the longitudinal direction of the pallet side support 210) The beam is installed closest to the corner portion of the 210, and the width is formed larger than the other beams.

A cross section of the fixing body 253 is formed in a 'c' shape, and a plurality of the fixing bodies 253 are formed along the longitudinal direction of the sliding plate 251.

In addition, the roller 252 is located between the sliding plate 251 and the fixing body 253, and two rollers 252 are rotatably installed in the fixing body 253.

The guide beam 211 formed in the longitudinal direction of the pallet side support 210 is located between the rollers 252 installed in the pair in the fixed body 253 as described above. Guided by the sliding plate 251 on which the roller 252 is mounted is moved in the longitudinal direction.

In addition, the shock absorbing part 254 is installed at both ends of the pallet side support part 210 in the longitudinal direction, so that the sliding plate 251 collides with the upper and lower support parts of the pallet when the bucket part 200 rotates. Prevents breakage, deformation and noise generation.

The shock absorbing portion 254 may be a rubber member or the like.

The function and role of the sliding unit 250 configured as described above, the wooden pallet is easily broken or deformed due to the characteristics of the material, so that the side is uneven and curved, due to the curved portion of the grid structure during alignment The pallet is pinched in the bucket part 200 to prevent the problem that alignment can not be made.

In more detail, the side of the wooden pallet is easily exposed to external impact, moisture, etc., so that deformation or breakage is severe, and thus the side of the wooden pallet does not form a straight line uniformly, but the protrusions and the concave parts are alternately formed. If, as a property of the grid bucket portion 200 of the present invention, the protrusion of the pallet side is pinched into the grid grooves, even if the bucket portion 200 is rotated, the pallet can not be properly aligned, the sliding portion 250 in the present invention You can solve this problem by putting.

In addition to the configuration as described above, in the present invention, as shown in Figure 7, the projection portion formed by forming a two projections of radially different lengths on the outer side of the second sprocket of the rotary support shaft 240 at 90 ° intervals 301 is provided, and is configured to detect the rotational angle of the bucket part 200 by detecting the positions of the two projections by arranging a sensor part consisting of three sensors 302, 303, 304 on the additional support 123.

The sensor unit includes a first sensor 302 disposed on the left side with respect to the rotation support shaft 240, a second sensor 303 disposed on the right side, and a third sensor disposed below the second sensor ( 304).

The detection method through the sensor unit and the protrusion configured as described above will be described in detail with reference to FIG. 8. In the initial position where the bucket unit 200 stands, first, a protrusion having a long length of the protrusion is attached to the third sensor 304. To be detected.

Thereafter, the bucket part 200 rotates 135 degrees in the counterclockwise direction, and rotation is terminated when the short protrusion of the protrusion is detected by the first sensor 302.

Thereafter, the bucket part 200 rotates 115 degrees clockwise again, and the rotation ends when the long protrusion of the protrusion is detected by the second sensor 303.

Thereafter, the bucket part 200 again rotates 115 degrees in the counterclockwise direction. When the protrusion having a short length of the protrusion is detected by the first sensor 302, the rotation is terminated.

Thereafter, the bucket part 200 is rotated 135 degrees clockwise again to return to the initial position, and when the long protrusion of the protrusion is detected by the third sensor 304, the alignment operation is finished. .

Through this process, the bucket part 200 rotates, and the stacked pallets are aligned through two rotations in opposite directions.

Hereinafter, the operation of the present invention configured as described above will be described.

First, as shown in FIG. 9 and FIG. 10, after standing up the bucket part 200, the pallets which are stacked unaligned are moved to a forklift or the like to be put into the bucket part 200.

Then, when operating the pallet alignment device according to the present invention through the control panel, as shown in Figure 11 and 12, the drive means 130 is rotated forward and reverse rotation the first sprocket ( 141 repeats the forward and reverse rotation, and the second sprocket 142 connected to the first sprocket 141 and the chain 143 repeats the forward and reverse rotation. The bucket part 200 connected to the two sprockets 142 also repeats the forward and reverse rotation.

After sufficiently rotating, the bucket part 200 is standing, and then the aligned pallet is moved to a forklift or the like to complete the work.

100: main body 110: base portion
120: first support 121: second support
122: auxiliary support 123: additional support
130: drive means 140: power transmission means
141: first sprocket 142: second sprocket
143: chain 200: bucket portion
210: pallet side support 220: pallet upper support
230: pallet lower supporter 240: rotary support shaft
250: sliding part 251: sliding plate
252: roller 253: fixed body

Claims (3)

Consists of the main body and the bucket portion;
The main body,
A base part in contact with the ground,
First and second supports installed vertically on both sides of the upper part of the base part,
Drive means installed on one side of the main body and
And a power transmission means comprising a first sprocket connected to the driving means, a second sprocket installed on a rotating support shaft to be described later, and a chain connecting the first and second sprockets. ;
The bucket part,
A pallet side support having a lattice structure having a V-shape so as to be supported by contact with two adjacent corners of the stacked pallets when the bucket part is rotated.
Pallet upper and lower supports of the grid structure to be coupled to the upper and lower portions of the pallet side support in a rhombus to prevent the separation of the pallet to the upper and lower sides,
Rotating support shafts provided on both sides of the pallet side support, supported by the first and second supports,
A pallet aligning device installed on an inner surface of the pallet side supporter to support the pallet in contact with the side of the stacked pallets, and including a sliding part sliding in the longitudinal direction of the pallet side supporter The method according to claim 1,
The sliding part,
Sliding plate that slides on both inner surfaces of the pallet side support,
A fixed body formed in a 'c' shape under the sliding plate to fix a plurality of fixed plates to prevent the sliding plate from being separated from the pallet side support;
Located between the sliding plate and the fixture, and comprises a pair of rollers fixed to the fixture,
Between the pair of rollers the pallet alignment device characterized in that the guide beam formed in the longitudinal direction of the pallet side support The method according to claim 1,
A projection part fixed to the rotation support shaft outside the second sprocket and having two projections having different lengths radially formed at 90 ° to each other,
An additional support for supporting a rotational support shaft outside the second sprocket at all times;
It is installed on the additional support, characterized in that further provided with a sensor consisting of a first sensor installed on the left side around the rotation support shaft, a second sensor installed on the right and a third sensor installed on the lower portion of the second sensor. Pallet sorter
KR1020100053903A 2010-06-08 2010-06-08 Pallete aligning device KR100973420B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100053903A KR100973420B1 (en) 2010-06-08 2010-06-08 Pallete aligning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100053903A KR100973420B1 (en) 2010-06-08 2010-06-08 Pallete aligning device

Publications (1)

Publication Number Publication Date
KR100973420B1 true KR100973420B1 (en) 2010-08-03

Family

ID=42759179

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100053903A KR100973420B1 (en) 2010-06-08 2010-06-08 Pallete aligning device

Country Status (1)

Country Link
KR (1) KR100973420B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200062060A (en) 2018-11-26 2020-06-03 유림목재(주) Fittings pallet manufacturing apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950012874A (en) * 1993-10-15 1995-05-17 김광호 Semiconductor laser diode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950012874A (en) * 1993-10-15 1995-05-17 김광호 Semiconductor laser diode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200062060A (en) 2018-11-26 2020-06-03 유림목재(주) Fittings pallet manufacturing apparatus

Similar Documents

Publication Publication Date Title
US6523647B2 (en) Elevating platform assembly
WO2007041776A1 (en) A pallet having reinforcing members and movable covers for access openings for rollers
CN106241396A (en) Coiled material piling streamline
KR20130104374A (en) Salt loading system for salt pond and salt gathering handler therefor
JP5285413B2 (en) Pallet sorting device and stacker device
CN116119231B (en) Light stacker for storage
DK201970193A1 (en) eStacker for pallets
KR100973420B1 (en) Pallete aligning device
US20080197093A1 (en) Truss handling apparatus
KR101812519B1 (en) Elevator for Egg Stacking
KR101532774B1 (en) Glass board carrying cargo handling gear
RU2331555C2 (en) Stretched-film wrapping machine lower assembly
US20220242678A1 (en) Pallet Inspection Device
JP6533600B2 (en) Posture conversion aid for plate-like building members
KR100859331B1 (en) Moving apparatus for robot
FR2888599A1 (en) Concrete panel transporting and placing device for e.g. building field, has track chassis in which forks of hoisting engine slide and formed by plate, axles for fixation of jack and handling rail, and positioning chassis fixed on sling
KR101635762B1 (en) Turning heavy equipment
KR200492123Y1 (en) Moving lorry for stone transportation
KR101932388B1 (en) Operation method for wood conveyor system
ES2801057T3 (en) Assembly and method for delivering a stack of roof deck panels to a use location
CN117699480B (en) Assembled wall body transports protection device
EP2945893A1 (en) A pallet stacking apparatus
TWI832683B (en) Lift trolley
CN211688124U (en) Lifting platform convenient for loading and unloading goods
CN107269067A (en) A kind of ferris wheel type lifts carrier vehicle device

Legal Events

Date Code Title Description
A201 Request for examination
A302 Request for accelerated examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130716

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20140725

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20150724

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20160725

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20170724

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20180625

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20190725

Year of fee payment: 10